Double-walled filter for coffee machine

Abstract

A filter for an espresso coffee machine including a first portion having a cup-shaped body, for containing coffee powder, wherein the cup-shaped body includes at least one bottom wall having an acceleration hole for the dispensing of coffee; a second portion including a filtering wall placed in the cup-shaped body upstream of the acceleration hole removably associated with the cup-shaped body; and a seal placed between an edge of the filtering wall (6) and the cup-shaped body, wherein said seal is coupled unremovably to the filtering wall. The filter exclusively includes said first and said second portion.

1 . A filter for an espresso coffee machine comprising a first portion comprising a cup-shaped body for containing coffee powder, wherein the cup-shaped body comprises at least one bottom wall comprising an acceleration hole; a second portion comprising a filtering wall placed in the cup-shaped body upstream of the acceleration hole and removably associated with the cup-shaped body; and a seal placed between an edge of the filtering wall and the cup-shaped body, wherein said seal is coupled unremovably to the filtering wall, wherein the filter exclusively comprises said first and said second portion. 
     
     
         2 . The filter according to  claim 1 , characterised in that said cup-shaped body further comprises a single piece. 
     
     
         3 . The filter according to  claim 1 , characterised in that the seal is coupled unremovably to the filtering wall by overinjection with an elastomeric material. 
     
     
         4 . The filter according to  claim 1 , characterised in that said edge of the filtering wall comprises at least one coupling element disposed along an entire perimeter of the edge, wherein said coupling element is L-shaped. 
     
     
         5 . The filter according to  claim 1 , characterised in that the filtering wall and the seal are associated with the cup-shaped body by interference. 
     
     
         6 . The filter according to  claim 1 , further a gripping member associated with the filtering wall, which gripping member separates said filtering wall from said cup-shaped body. 
     
     
         7 . The filter according to  claim 6 , characterized in that the gripping member further comprises a tongue which protrudes from the seal. 
     
     
         8 . A package comprising the filter for the espresso coffee machine of  claim 1  and a filter holder for housing said filter.